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Reports function literal expressions that can be replaced with function references.
<p>Replacing lambdas with function references often makes code look more concise and understandable.</p>
<p><b>Example:</b></p>
<pre><code>
  fun Int.isEven() = this % 2 == 0

  fun example() {
      val numbers = listOf(1, 2, 4, 7, 9, 10)
      val evenNumbers = numbers.filter { it.isEven() }
  }
</code></pre>
<p>After the quick-fix is applied:</p>
<pre><code>
  fun Int.isEven() = this % 2 == 0

  fun example() {
      val numbers = listOf(1, 2, 4, 7, 9, 10)
      val evenNumbers = numbers.filter(Int::isEven)
  }
</code></pre>
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